<template>
  <div class="wrapper">
    <swiper :options="swiperOption" v-if="showSwiper">
      <!-- slides -->
      <swiper-slide v-for="item of list" :key="item.id">
        <img class="swi-img" :src="item.imgUrl" />
      </swiper-slide>
      <!-- Optional controls -->
      <div class="swiper-pagination" slot="pagination"></div>
    </swiper>
  </div>
</template>
<script>
export default {
  name: "HomeSwiper",
  props:{
    list:Array
  },
  data() {
    return {
      swiperOption: {
        pagination: ".swiper-pagination", //设置轮播下面的小圆点
        loop: true, //让轮播图片循环
      }
    };
  },
  computed:{
    showSwiper(){
      return this.list.length
    }
  }
};
</script>
<style lang="stylus" scoped>
// >>>表示样式穿透
.wrapper >>> .swiper-pagination-bullet-active {
  background: #fff;
}

.wrapper {
  width: 100%;
  height: 0;
  overflow: hidden;
  padding-bottom: 31.5%;
  background-color: #eee;

  .swi-img {
    width: 100%;
  }
}
</style>
